FABH0606E OBTAIN MACRO FAILED ON DDNAME: `ddname` (RC=`xx`)

Explanation
 The OBTAIN macro failed with a return code xx for
the data set that was specified for the DDNAME ddname.

System action
 HSSR Engine ends abnormally.

User response
 Check the job log messages and other printed
output for an indication that some system service has failed. If none
can be found, it is likely that IMS High
Performance Unload has had an internal logic error. Contact IBM® Software Support.